Data set 01
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater voltage
5.6 V
Heater current
450 mA
Voltage Pentode - Sharp Cutoff (single) ·Pentode
5EW6
Sharp-cutoff pentode designed for television IF, picture-IF, video, or VHF tuner amplifier service.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 7CM
- Socket code
- B7G
- Base pins
- 7
- Nominal heater
- 5.6 V / 450 mA
Description
Sharp-cutoff pentode used in gain-controlled picture-IF stages of VHF color and black-and-white television receivers.
Socket description
Miniature 7-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 7CM
- Socket code
- B7G
- Base pins
- 7
- Nominal heater voltage
- 5.6 V
- Nominal heater current
- 450 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
7CM - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1G1 | A | G1 — Control Grid EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
| PIN2K | A | K — Cathode EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
| PIN3H | — | H — Heater EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
| PIN4H | — | H — Heater EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
| PIN5P | A | P — Plate (Anode) EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
| PIN6G2 | A | G2 — Screen Grid EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
| PIN7G3 | A | G3 — Suppressor GridGroup 7CM7 EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
| PIN7IS | A | IS — Internal ScreenGroup 7CM7 EIA chart transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 128, 7CM |
Section ratings
1 physical section, each with unique specifications.
Section 1
Pentode
X-ray radiationInterelectrode capacitances
- Plate resistance
- 200000 Ω
- Transconductance
- 0.014 S
- Max plate voltage
- 330 V
- Max screen voltage
- 330 V
- Max plate dissipation
- 3.1 W
- Max screen dissipation
- 0.65 W
Sharp-cutoff pentode; 6EW6 electrical counterpart.
Source-dependent data
Operating conditions by source
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 02
1966 Tung Sol Electronic Tubes 1 of 4
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Heater voltage
5.6 V
Heater current
450 mA
Maximum screen supply voltage
330 V
Plate voltage
125 V
ClassA
Screen voltage
125 V
ClassA
Cathode bias resistor
56 ohm
ClassA
Plate current
11 mA
ClassA
Screen current
3 mA
ClassA
Characteristic
Transconductance
14000 uS
ClassA
Plate resistance
0.2 MOhm
ClassA
Capacitance
Grid-to-plate capacitance
- to 0.03 pF
WithShield; Maximum
Input capacitance
10 pF
Output capacitance
3.4 pF
WithShield
Data set 03
1971 RCA HB3 Binder 4 of 7
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
Plate voltage
125 V
ClassA
Screen voltage
125 V
ClassA
Cathode resistor
56 ohm
ClassA
Plate current
11 mA
ClassA
Screen current
3.2 mA
ClassA
Maximum plate voltage
330 V
Maximum screen voltage
330 V
Maximum plate dissipation
3.1 W
Maximum screen dissipation
0.65 W
Heater/filament voltage
5.6 V
DerivativeSheet
Heater/filament current
450 mA
DerivativeSheet
Heater warm-up time
11 s
ControlledWarmup
Characteristic
Plate resistance
200000 ohm
ClassA
Transconductance
14000 uS
ClassA
Capacitance
Grid-to-plate capacitance
0.03 pF
Input capacitance
10 pF
Output capacitance
3.4 pF
Data set 04
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Pentode
Other
order of
40 MHz
Published in approved 6EW6 target entry; Section1
Heater Voltage (ac/dc) 5.6
6.3 V
Published in approved 6EW6 target entry; Section1
Heater Current 0.45
400 mA
Published in approved 6EW6 target entry; Section1
Heater Warm-up Time (Average)
11 seconds
Published in approved 6EW6 target entry; Section1
Plate Voltage
330 V
Published in approved 6EW6 target entry; Section1
Grid No.3 (Suppressor-Grid) Voltage, Positive value
0 V
Published in approved 6EW6 target entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage
330 V
Published in approved 6EW6 target entry; Section1
Grid-No.l (Control-Grid) Voltage, Positive-bias value
0 V
Published in approved 6EW6 target entry; Section1
Plate Dissipation
3.1 W
Published in approved 6EW6 target entry; Section1
For grid-No.2 voltages up to
165 V
Published in approved 6EW6 target entry; Section1
For grid-No.2 voltages up to 165 volts
0.65 W
Published in approved 6EW6 target entry; Section1
For grid-No.2 voltages between 165 and
330 V
Published in approved 6EW6 target entry; Section1
Capacitance
Grid No. 3, and Internal Shield . 10
10 pF
Published in approved 6EW6 target entry; Section1
Grid No.3, and Internal Shield 2.4
3.4 pF
Published in approved 6EW6 target entry; Section1
Characteristic
Grid-No.2 Supply Voltage
125 V
Published in approved 6EW6 target entry; Section1
Cathode-Bias Resistor
55 Ω
Published in approved 6EW6 target entry; Section1
Plate Resistance (Approx.)
0.2 MΩ
Published in approved 6EW6 target entry; Section1
Grid-No.l Voltage (Approx.) for plate current of 20 juA
3.5 V
Published in approved 6EW6 target entry; Section1